WordPress Core < 4.9.1 - Authenticated Stored Cross-Site Scripting

2017-11-29 00:00

Anonymous

Strategic Overview

Status

Patched in 3.7.24

Affected CoreWordPress 4.9

Affected Version3.7 – 4.9 · 14 branches

CVSS6.4Medium

CVECVE-2017-17092

View all WordPress 4.9 vulnerabilities

Vulnerability Overview

wp-includes/functions.php in WordPress before 4.9.1 does not require the unfiltered_html capability for upload of .js files, which might allow remote attackers to conduct XSS attacks via a crafted file.

Technical Analysis

REMEDIATION: Update to one of the following versions, or a newer patched version: 3.7.24, 3.8.24, 3.9.22, 4.0.21, 4.1.21, 4.2.18, 4.3.14, 4.4.13, 4.5.12, 4.6.9, 4.7.8, 4.8.4, 4.9.1 --- IDENTIFIER: CWE-79 (Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')) The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

External References

https://www.cve.org/CVERecord?id=CVE-2017-17092 https://www.wordfence.com/threat-intel/vulnerabilities/id/e5252b2f-c1a1-4fec-abaf-ad234affdcfb

CVSS Vector

6.4

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Base

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeChanged
ConfidentialityLow
IntegrityLow
AvailabilityNone

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